package com.example.blogServer.handle;
import com.example.blogServer.exception.BaseException;
import com.example.blogServer.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

    @ExceptionHandler
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex){
        String message = ex.getMessage();
        String msg ="未知错误";
        //检测异常信息,校验是否为unique字段重复异常
        if(message.contains("Duplicate entry")){
            String[] s = ex.getMessage().split(" ");
            String username = s[2];
            msg = username + "账户不存在";
        }
        System.out.println(message);
        return Result.error(msg);

    }


}
